1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 *  Support for Digigram Lola PCI-e boards
4 *
5 *  Copyright (c) 2011 Takashi Iwai <tiwai@suse.de>
6 */
7
8#include <linux/kernel.h>
9#include <linux/init.h>
10#include <linux/vmalloc.h>
11#include <linux/io.h>
12#include <sound/core.h>
13#include <sound/control.h>
14#include <sound/pcm.h>
15#include <sound/tlv.h>
16#include "lola.h"
17
18static int lola_init_pin(struct lola *chip, struct lola_pin *pin,
19			 int dir, int nid)
20{
21	unsigned int val;
22	int err;
23
24	pin->nid = nid;
25	err = lola_read_param(chip, nid, LOLA_PAR_AUDIO_WIDGET_CAP, &val);
26	if (err < 0) {
27		dev_err(chip->card->dev, "Can't read wcaps for 0x%x\n", nid);
28		return err;
29	}
30	val &= 0x00f00fff; /* test TYPE and bits 0..11 */
31	if (val == 0x00400200)    /* Type = 4, Digital = 1 */
32		pin->is_analog = false;
33	else if (val == 0x0040000a && dir == CAPT) /* Dig=0, InAmp/ovrd */
34		pin->is_analog = true;
35	else if (val == 0x0040000c && dir == PLAY) /* Dig=0, OutAmp/ovrd */
36		pin->is_analog = true;
37	else {
38		dev_err(chip->card->dev, "Invalid wcaps 0x%x for 0x%x\n", val, nid);
39		return -EINVAL;
40	}
41
42	/* analog parameters only following, so continue in case of Digital pin
43	 */
44	if (!pin->is_analog)
45		return 0;
46
47	if (dir == PLAY)
48		err = lola_read_param(chip, nid, LOLA_PAR_AMP_OUT_CAP, &val);
49	else
50		err = lola_read_param(chip, nid, LOLA_PAR_AMP_IN_CAP, &val);
51	if (err < 0) {
52		dev_err(chip->card->dev, "Can't read AMP-caps for 0x%x\n", nid);
53		return err;
54	}
55
56	pin->amp_mute = LOLA_AMP_MUTE_CAPABLE(val);
57	pin->amp_step_size = LOLA_AMP_STEP_SIZE(val);
58	pin->amp_num_steps = LOLA_AMP_NUM_STEPS(val);
59	if (pin->amp_num_steps) {
60		/* zero as mute state */
61		pin->amp_num_steps++;
62		pin->amp_step_size++;
63	}
64	pin->amp_offset = LOLA_AMP_OFFSET(val);
65
66	err = lola_codec_read(chip, nid, LOLA_VERB_GET_MAX_LEVEL, 0, 0, &val,
67			      NULL);
68	if (err < 0) {
69		dev_err(chip->card->dev, "Can't get MAX_LEVEL 0x%x\n", nid);
70		return err;
71	}
72	pin->max_level = val & 0x3ff;   /* 10 bits */
73
74	pin->config_default_reg = 0;
75	pin->fixed_gain_list_len = 0;
76	pin->cur_gain_step = 0;
77
78	return 0;
79}
80
81int lola_init_pins(struct lola *chip, int dir, int *nidp)
82{
83	int i, err, nid;
84	nid = *nidp;
85	for (i = 0; i < chip->pin[dir].num_pins; i++, nid++) {
86		err = lola_init_pin(chip, &chip->pin[dir].pins[i], dir, nid);
87		if (err < 0)
88			return err;
89		if (chip->pin[dir].pins[i].is_analog)
90			chip->pin[dir].num_analog_pins++;
91	}
92	*nidp = nid;
93	return 0;
94}
95
96void lola_free_mixer(struct lola *chip)
97{
98	vfree(chip->mixer.array_saved);
99}
100
101int lola_init_mixer_widget(struct lola *chip, int nid)
102{
103	unsigned int val;
104	int err;
105
106	err = lola_read_param(chip, nid, LOLA_PAR_AUDIO_WIDGET_CAP, &val);
107	if (err < 0) {
108		dev_err(chip->card->dev, "Can't read wcaps for 0x%x\n", nid);
109		return err;
110	}
111
112	if ((val & 0xfff00000) != 0x02f00000) { /* test SubType and Type */
113		dev_dbg(chip->card->dev, "No valid mixer widget\n");
114		return 0;
115	}
116
117	chip->mixer.nid = nid;
118	chip->mixer.caps = val;
119	chip->mixer.array = (struct lola_mixer_array __iomem *)
120		(chip->bar[BAR1].remap_addr + LOLA_BAR1_SOURCE_GAIN_ENABLE);
121
122	/* reserve memory to copy mixer data for sleep mode transitions */
123	chip->mixer.array_saved = vmalloc(sizeof(struct lola_mixer_array));
124	if (!chip->mixer.array_saved)
125		return -ENOMEM;
126
127	/* mixer matrix sources are physical input data and play streams */
128	chip->mixer.src_stream_outs = chip->pcm[PLAY].num_streams;
129	chip->mixer.src_phys_ins = chip->pin[CAPT].num_pins;
130
131	/* mixer matrix destinations are record streams and physical output */
132	chip->mixer.dest_stream_ins = chip->pcm[CAPT].num_streams;
133	chip->mixer.dest_phys_outs = chip->pin[PLAY].num_pins;
134
135	/* mixer matrix may have unused areas between PhysIn and
136	 * Play or Record and PhysOut zones
137	 */
138	chip->mixer.src_stream_out_ofs = chip->mixer.src_phys_ins +
139		LOLA_MIXER_SRC_INPUT_PLAY_SEPARATION(val);
140	chip->mixer.dest_phys_out_ofs = chip->mixer.dest_stream_ins +
141		LOLA_MIXER_DEST_REC_OUTPUT_SEPARATION(val);
142
143	/* example : MixerMatrix of LoLa881 (LoLa16161 uses unused zones)
144	 * +-+  0-------8------16-------8------16
145	 * | |  |       |       |       |       |
146	 * |s|  | INPUT |       | INPUT |       |
147	 * | |->|  ->   |unused |  ->   |unused |
148	 * |r|  |CAPTURE|       | OUTPUT|       |
149	 * | |  |  MIX  |       |  MIX  |       |
150	 * |c|  8--------------------------------
151	 * | |  |       |       |       |       |
152	 * | |  |       |       |       |       |
153	 * |g|  |unused |unused |unused |unused |
154	 * | |  |       |       |       |       |
155	 * |a|  |       |       |       |       |
156	 * | |  16-------------------------------
157	 * |i|  |       |       |       |       |
158	 * | |  | PLAYBK|       | PLAYBK|       |
159	 * |n|->|  ->   |unused |  ->   |unused |
160	 * | |  |CAPTURE|       | OUTPUT|       |
161	 * | |  |  MIX  |       |  MIX  |       |
162	 * |a|  8--------------------------------
163	 * |r|  |       |       |       |       |
164	 * |r|  |       |       |       |       |
165	 * |a|  |unused |unused |unused |unused |
166	 * |y|  |       |       |       |       |
167	 * | |  |       |       |       |       |
168	 * +++  16--|---------------|------------
169	 *      +---V---------------V-----------+
170	 *      |  dest_mix_gain_enable array   |
171	 *      +-------------------------------+
172	 */
173	/* example : MixerMatrix of LoLa280
174	 * +-+  0-------8-2
175	 * | |  |       | |
176	 * |s|  | INPUT | |     INPUT
177	 * |r|->|  ->   | |      ->
178	 * |c|  |CAPTURE| | <-  OUTPUT
179	 * | |  |  MIX  | |      MIX
180	 * |g|  8----------
181	 * |a|  |       | |
182	 * |i|  | PLAYBK| |     PLAYBACK
183	 * |n|->|  ->   | |      ->
184	 * | |  |CAPTURE| | <-  OUTPUT
185	 * |a|  |  MIX  | |      MIX
186	 * |r|  8---|----|-
187	 * |r|  +---V----V-------------------+
188	 * |a|  | dest_mix_gain_enable array |
189	 * |y|  +----------------------------+
190	 */
191	if (chip->mixer.src_stream_out_ofs > MAX_AUDIO_INOUT_COUNT ||
192	    chip->mixer.dest_phys_out_ofs > MAX_STREAM_IN_COUNT) {
193		dev_err(chip->card->dev, "Invalid mixer widget size\n");
194		return -EINVAL;
195	}
196
197	chip->mixer.src_mask = ((1U << chip->mixer.src_phys_ins) - 1) |
198		(((1U << chip->mixer.src_stream_outs) - 1)
199		 << chip->mixer.src_stream_out_ofs);
200	chip->mixer.dest_mask = ((1U << chip->mixer.dest_stream_ins) - 1) |
201		(((1U << chip->mixer.dest_phys_outs) - 1)
202		 << chip->mixer.dest_phys_out_ofs);
203
204	dev_dbg(chip->card->dev, "Mixer src_mask=%x, dest_mask=%x\n",
205		    chip->mixer.src_mask, chip->mixer.dest_mask);
206
207	return 0;
208}
209
210static int lola_mixer_set_src_gain(struct lola *chip, unsigned int id,
211				   unsigned short gain, bool on)
212{
213	unsigned int oldval, val;
214
215	if (!(chip->mixer.src_mask & (1 << id)))
216		return -EINVAL;
217	oldval = val = readl(&chip->mixer.array->src_gain_enable);
218	if (on)
219		val |= (1 << id);
220	else
221		val &= ~(1 << id);
222	/* test if values unchanged */
223	if ((val == oldval) &&
224	    (gain == readw(&chip->mixer.array->src_gain[id])))
225		return 0;
226
227	dev_dbg(chip->card->dev,
228		"lola_mixer_set_src_gain (id=%d, gain=%d) enable=%x\n",
229			id, gain, val);
230	writew(gain, &chip->mixer.array->src_gain[id]);
231	writel(val, &chip->mixer.array->src_gain_enable);
232	lola_codec_flush(chip);
233	/* inform micro-controller about the new source gain */
234	return lola_codec_write(chip, chip->mixer.nid,
235				LOLA_VERB_SET_SOURCE_GAIN, id, 0);
236}
237
238#if 0 /* not used */
239static int lola_mixer_set_src_gains(struct lola *chip, unsigned int mask,
240				    unsigned short *gains)
241{
242	int i;
243
244	if ((chip->mixer.src_mask & mask) != mask)
245		return -EINVAL;
246	for (i = 0; i < LOLA_MIXER_DIM; i++) {
247		if (mask & (1 << i)) {
248			writew(*gains, &chip->mixer.array->src_gain[i]);
249			gains++;
250		}
251	}
252	writel(mask, &chip->mixer.array->src_gain_enable);
253	lola_codec_flush(chip);
254	if (chip->mixer.caps & LOLA_PEAK_METER_CAN_AGC_MASK) {
255		/* update for all srcs at once */
256		return lola_codec_write(chip, chip->mixer.nid,
257					LOLA_VERB_SET_SOURCE_GAIN, 0x80, 0);
258	}
259	/* update manually */
260	for (i = 0; i < LOLA_MIXER_DIM; i++) {
261		if (mask & (1 << i)) {
262			lola_codec_write(chip, chip->mixer.nid,
263					 LOLA_VERB_SET_SOURCE_GAIN, i, 0);
264		}
265	}
266	return 0;
267}
268#endif /* not used */
269
270static int lola_mixer_set_mapping_gain(struct lola *chip,
271				       unsigned int src, unsigned int dest,
272				       unsigned short gain, bool on)
273{
274	unsigned int val;
275
276	if (!(chip->mixer.src_mask & (1 << src)) ||
277	    !(chip->mixer.dest_mask & (1 << dest)))
278		return -EINVAL;
279	if (on)
280		writew(gain, &chip->mixer.array->dest_mix_gain[dest][src]);
281	val = readl(&chip->mixer.array->dest_mix_gain_enable[dest]);
282	if (on)
283		val |= (1 << src);
284	else
285		val &= ~(1 << src);
286	writel(val, &chip->mixer.array->dest_mix_gain_enable[dest]);
287	lola_codec_flush(chip);
288	return lola_codec_write(chip, chip->mixer.nid, LOLA_VERB_SET_MIX_GAIN,
289				src, dest);
290}
291
292#if 0 /* not used */
293static int lola_mixer_set_dest_gains(struct lola *chip, unsigned int id,
294				     unsigned int mask, unsigned short *gains)
295{
296	int i;
297
298	if (!(chip->mixer.dest_mask & (1 << id)) ||
299	    (chip->mixer.src_mask & mask) != mask)
300		return -EINVAL;
301	for (i = 0; i < LOLA_MIXER_DIM; i++) {
302		if (mask & (1 << i)) {
303			writew(*gains, &chip->mixer.array->dest_mix_gain[id][i]);
304			gains++;
305		}
306	}
307	writel(mask, &chip->mixer.array->dest_mix_gain_enable[id]);
308	lola_codec_flush(chip);
309	/* update for all dests at once */
310	return lola_codec_write(chip, chip->mixer.nid,
311				LOLA_VERB_SET_DESTINATION_GAIN, id, 0);
312}
313#endif /* not used */
314
315/*
316 */
317
318static int set_analog_volume(struct lola *chip, int dir,
319			     unsigned int idx, unsigned int val,
320			     bool external_call);
321
322int lola_setup_all_analog_gains(struct lola *chip, int dir, bool mute)
323{
324	struct lola_pin *pin;
325	int idx, max_idx;
326
327	pin = chip->pin[dir].pins;
328	max_idx = chip->pin[dir].num_pins;
329	for (idx = 0; idx < max_idx; idx++) {
330		if (pin[idx].is_analog) {
331			unsigned int val = mute ? 0 : pin[idx].cur_gain_step;
332			/* set volume and do not save the value */
333			set_analog_volume(chip, dir, idx, val, false);
334		}
335	}
336	return lola_codec_flush(chip);
337}
338
339void lola_save_mixer(struct lola *chip)
340{
341	/* mute analog output */
342	if (chip->mixer.array_saved) {
343		/* store contents of mixer array */
344		memcpy_fromio(chip->mixer.array_saved, chip->mixer.array,
345			      sizeof(*chip->mixer.array));
346	}
347	lola_setup_all_analog_gains(chip, PLAY, true); /* output mute */
348}
349
350void lola_restore_mixer(struct lola *chip)
351{
352	int i;
353
354	/*lola_reset_setups(chip);*/
355	if (chip->mixer.array_saved) {
356		/* restore contents of mixer array */
357		memcpy_toio(chip->mixer.array, chip->mixer.array_saved,
358			    sizeof(*chip->mixer.array));
359		/* inform micro-controller about all restored values
360		 * and ignore return values
361		 */
362		for (i = 0; i < chip->mixer.src_phys_ins; i++)
363			lola_codec_write(chip, chip->mixer.nid,
364					 LOLA_VERB_SET_SOURCE_GAIN,
365					 i, 0);
366		for (i = 0; i < chip->mixer.src_stream_outs; i++)
367			lola_codec_write(chip, chip->mixer.nid,
368					 LOLA_VERB_SET_SOURCE_GAIN,
369					 chip->mixer.src_stream_out_ofs + i, 0);
370		for (i = 0; i < chip->mixer.dest_stream_ins; i++)
371			lola_codec_write(chip, chip->mixer.nid,
372					 LOLA_VERB_SET_DESTINATION_GAIN,
373					 i, 0);
374		for (i = 0; i < chip->mixer.dest_phys_outs; i++)
375			lola_codec_write(chip, chip->mixer.nid,
376					 LOLA_VERB_SET_DESTINATION_GAIN,
377					 chip->mixer.dest_phys_out_ofs + i, 0);
378		lola_codec_flush(chip);
379	}
380}
381
382/*
383 */
384
385static int set_analog_volume(struct lola *chip, int dir,
386			     unsigned int idx, unsigned int val,
387			     bool external_call)
388{
389	struct lola_pin *pin;
390	int err;
391
392	if (idx >= chip->pin[dir].num_pins)
393		return -EINVAL;
394	pin = &chip->pin[dir].pins[idx];
395	if (!pin->is_analog || pin->amp_num_steps <= val)
396		return -EINVAL;
397	if (external_call && pin->cur_gain_step == val)
398		return 0;
399	if (external_call)
400		lola_codec_flush(chip);
401	dev_dbg(chip->card->dev,
402		"set_analog_volume (dir=%d idx=%d, volume=%d)\n",
403			dir, idx, val);
404	err = lola_codec_write(chip, pin->nid,
405			       LOLA_VERB_SET_AMP_GAIN_MUTE, val, 0);
406	if (err < 0)
407		return err;
408	if (external_call)
409		pin->cur_gain_step = val;
410	return 0;
411}
412
413int lola_set_src_config(struct lola *chip, unsigned int src_mask, bool update)
414{
415	int ret = 0;
416	int success = 0;
417	int n, err;
418
419	/* SRC can be activated and the dwInputSRCMask is valid? */
420	if ((chip->input_src_caps_mask & src_mask) != src_mask)
421		return -EINVAL;
422	/* handle all even Inputs - SRC is a stereo setting !!! */
423	for (n = 0; n < chip->pin[CAPT].num_pins; n += 2) {
424		unsigned int mask = 3U << n; /* handle the stereo case */
425		unsigned int new_src, src_state;
426		if (!(chip->input_src_caps_mask & mask))
427			continue;
428		/* if one IO needs SRC, both stereo IO will get SRC */
429		new_src = (src_mask & mask) != 0;
430		if (update) {
431			src_state = (chip->input_src_mask & mask) != 0;
432			if (src_state == new_src)
433				continue;   /* nothing to change for this IO */
434		}
435		err = lola_codec_write(chip, chip->pcm[CAPT].streams[n].nid,
436				       LOLA_VERB_SET_SRC, new_src, 0);
437		if (!err)
438			success++;
439		else
440			ret = err;
441	}
442	if (success)
443		ret = lola_codec_flush(chip);
444	if (!ret)
445		chip->input_src_mask = src_mask;
446	return ret;
447}
448
449/*
450 */
451static int init_mixer_values(struct lola *chip)
452{
453	int i;
454
455	/* all sample rate converters on */
456	lola_set_src_config(chip, (1 << chip->pin[CAPT].num_pins) - 1, false);
457
458	/* clear all mixer matrix settings */
459	memset_io(chip->mixer.array, 0, sizeof(*chip->mixer.array));
460	/* inform firmware about all updated matrix columns - capture part */
461	for (i = 0; i < chip->mixer.dest_stream_ins; i++)
462		lola_codec_write(chip, chip->mixer.nid,
463				 LOLA_VERB_SET_DESTINATION_GAIN,
464				 i, 0);
465	/* inform firmware about all updated matrix columns - output part */
466	for (i = 0; i < chip->mixer.dest_phys_outs; i++)
467		lola_codec_write(chip, chip->mixer.nid,
468				 LOLA_VERB_SET_DESTINATION_GAIN,
469				 chip->mixer.dest_phys_out_ofs + i, 0);
470
471	/* set all digital input source (master) gains to 0dB */
472	for (i = 0; i < chip->mixer.src_phys_ins; i++)
473		lola_mixer_set_src_gain(chip, i, 336, true); /* 0dB */
474
475	/* set all digital playback source (master) gains to 0dB */
476	for (i = 0; i < chip->mixer.src_stream_outs; i++)
477		lola_mixer_set_src_gain(chip,
478					i + chip->mixer.src_stream_out_ofs,
479					336, true); /* 0dB */
480	/* set gain value 0dB diagonally in matrix - part INPUT -> CAPTURE */
481	for (i = 0; i < chip->mixer.dest_stream_ins; i++) {
482		int src = i % chip->mixer.src_phys_ins;
483		lola_mixer_set_mapping_gain(chip, src, i, 336, true);
484	}
485	/* set gain value 0dB diagonally in matrix , part PLAYBACK -> OUTPUT
486	 * (LoLa280 : playback channel 0,2,4,6 linked to output channel 0)
487	 * (LoLa280 : playback channel 1,3,5,7 linked to output channel 1)
488	 */
489	for (i = 0; i < chip->mixer.src_stream_outs; i++) {
490		int src = chip->mixer.src_stream_out_ofs + i;
491		int dst = chip->mixer.dest_phys_out_ofs +
492			i % chip->mixer.dest_phys_outs;
493		lola_mixer_set_mapping_gain(chip, src, dst, 336, true);
494	}
495	return 0;
496}
497
498/*
499 * analog mixer control element
500 */
501static int lola_analog_vol_info(struct snd_kcontrol *kcontrol,
502				struct snd_ctl_elem_info *uinfo)
503{
504	struct lola *chip = snd_kcontrol_chip(kcontrol);
505	int dir = kcontrol->private_value;
506
507	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
508	uinfo->count = chip->pin[dir].num_pins;
509	uinfo->value.integer.min = 0;
510	uinfo->value.integer.max = chip->pin[dir].pins[0].amp_num_steps;
511	return 0;
512}
513
514static int lola_analog_vol_get(struct snd_kcontrol *kcontrol,
515			       struct snd_ctl_elem_value *ucontrol)
516{
517	struct lola *chip = snd_kcontrol_chip(kcontrol);
518	int dir = kcontrol->private_value;
519	int i;
520
521	for (i = 0; i < chip->pin[dir].num_pins; i++)
522		ucontrol->value.integer.value[i] =
523			chip->pin[dir].pins[i].cur_gain_step;
524	return 0;
525}
526
527static int lola_analog_vol_put(struct snd_kcontrol *kcontrol,
528			       struct snd_ctl_elem_value *ucontrol)
529{
530	struct lola *chip = snd_kcontrol_chip(kcontrol);
531	int dir = kcontrol->private_value;
532	int i, err;
533
534	for (i = 0; i < chip->pin[dir].num_pins; i++) {
535		err = set_analog_volume(chip, dir, i,
536					ucontrol->value.integer.value[i],
537					true);
538		if (err < 0)
539			return err;
540	}
541	return 0;
542}
543
544static int lola_analog_vol_tlv(struct snd_kcontrol *kcontrol, int op_flag,
545			       unsigned int size, unsigned int __user *tlv)
546{
547	struct lola *chip = snd_kcontrol_chip(kcontrol);
548	int dir = kcontrol->private_value;
549	unsigned int val1, val2;
550	struct lola_pin *pin;
551
552	if (size < 4 * sizeof(unsigned int))
553		return -ENOMEM;
554	pin = &chip->pin[dir].pins[0];
555
556	val2 = pin->amp_step_size * 25;
557	val1 = -1 * (int)pin->amp_offset * (int)val2;
558#ifdef TLV_DB_SCALE_MUTE
559	val2 |= TLV_DB_SCALE_MUTE;
560#endif
561	if (put_user(SNDRV_CTL_TLVT_DB_SCALE, tlv))
562		return -EFAULT;
563	if (put_user(2 * sizeof(unsigned int), tlv + 1))
564		return -EFAULT;
565	if (put_user(val1, tlv + 2))
566		return -EFAULT;
567	if (put_user(val2, tlv + 3))
568		return -EFAULT;
569	return 0;
570}
571
572static struct snd_kcontrol_new lola_analog_mixer = {
573	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
574	.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
575		   SNDRV_CTL_ELEM_ACCESS_TLV_READ |
576		   SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK),
577	.info = lola_analog_vol_info,
578	.get = lola_analog_vol_get,
579	.put = lola_analog_vol_put,
580	.tlv.c = lola_analog_vol_tlv,
581};
582
583static int create_analog_mixer(struct lola *chip, int dir, char *name)
584{
585	if (!chip->pin[dir].num_pins)
586		return 0;
587	/* no analog volumes on digital only adapters */
588	if (chip->pin[dir].num_pins != chip->pin[dir].num_analog_pins)
589		return 0;
590	lola_analog_mixer.name = name;
591	lola_analog_mixer.private_value = dir;
592	return snd_ctl_add(chip->card,
593			   snd_ctl_new1(&lola_analog_mixer, chip));
594}
595
596/*
597 * Hardware sample rate converter on digital input
598 */
599static int lola_input_src_info(struct snd_kcontrol *kcontrol,
600			       struct snd_ctl_elem_info *uinfo)
601{
602	struct lola *chip = snd_kcontrol_chip(kcontrol);
603
604	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
605	uinfo->count = chip->pin[CAPT].num_pins;
606	uinfo->value.integer.min = 0;
607	uinfo->value.integer.max = 1;
608	return 0;
609}
610
611static int lola_input_src_get(struct snd_kcontrol *kcontrol,
612			      struct snd_ctl_elem_value *ucontrol)
613{
614	struct lola *chip = snd_kcontrol_chip(kcontrol);
615	int i;
616
617	for (i = 0; i < chip->pin[CAPT].num_pins; i++)
618		ucontrol->value.integer.value[i] =
619			!!(chip->input_src_mask & (1 << i));
620	return 0;
621}
622
623static int lola_input_src_put(struct snd_kcontrol *kcontrol,
624			      struct snd_ctl_elem_value *ucontrol)
625{
626	struct lola *chip = snd_kcontrol_chip(kcontrol);
627	int i;
628	unsigned int mask;
629
630	mask = 0;
631	for (i = 0; i < chip->pin[CAPT].num_pins; i++)
632		if (ucontrol->value.integer.value[i])
633			mask |= 1 << i;
634	return lola_set_src_config(chip, mask, true);
635}
636
637static const struct snd_kcontrol_new lola_input_src_mixer = {
638	.name = "Digital SRC Capture Switch",
639	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
640	.info = lola_input_src_info,
641	.get = lola_input_src_get,
642	.put = lola_input_src_put,
643};
644
645/*
646 * Lola16161 or Lola881 can have Hardware sample rate converters
647 * on its digital input pins
648 */
649static int create_input_src_mixer(struct lola *chip)
650{
651	if (!chip->input_src_caps_mask)
652		return 0;
653
654	return snd_ctl_add(chip->card,
655			   snd_ctl_new1(&lola_input_src_mixer, chip));
656}
657
658/*
659 * src gain mixer
660 */
661static int lola_src_gain_info(struct snd_kcontrol *kcontrol,
662			      struct snd_ctl_elem_info *uinfo)
663{
664	unsigned int count = (kcontrol->private_value >> 8) & 0xff;
665
666	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
667	uinfo->count = count;
668	uinfo->value.integer.min = 0;
669	uinfo->value.integer.max = 409;
670	return 0;
671}
672
673static int lola_src_gain_get(struct snd_kcontrol *kcontrol,
674			     struct snd_ctl_elem_value *ucontrol)
675{
676	struct lola *chip = snd_kcontrol_chip(kcontrol);
677	unsigned int ofs = kcontrol->private_value & 0xff;
678	unsigned int count = (kcontrol->private_value >> 8) & 0xff;
679	unsigned int mask, i;
680
681	mask = readl(&chip->mixer.array->src_gain_enable);
682	for (i = 0; i < count; i++) {
683		unsigned int idx = ofs + i;
684		unsigned short val;
685		if (!(chip->mixer.src_mask & (1 << idx)))
686			return -EINVAL;
687		if (mask & (1 << idx))
688			val = readw(&chip->mixer.array->src_gain[idx]) + 1;
689		else
690			val = 0;
691		ucontrol->value.integer.value[i] = val;
692	}
693	return 0;
694}
695
696static int lola_src_gain_put(struct snd_kcontrol *kcontrol,
697			     struct snd_ctl_elem_value *ucontrol)
698{
699	struct lola *chip = snd_kcontrol_chip(kcontrol);
700	unsigned int ofs = kcontrol->private_value & 0xff;
701	unsigned int count = (kcontrol->private_value >> 8) & 0xff;
702	int i, err;
703
704	for (i = 0; i < count; i++) {
705		unsigned int idx = ofs + i;
706		unsigned short val = ucontrol->value.integer.value[i];
707		if (val)
708			val--;
709		err = lola_mixer_set_src_gain(chip, idx, val, !!val);
710		if (err < 0)
711			return err;
712	}
713	return 0;
714}
715
716/* raw value: 0 = -84dB, 336 = 0dB, 408=18dB, incremented 1 for mute */
717static const DECLARE_TLV_DB_SCALE(lola_src_gain_tlv, -8425, 25, 1);
718
719static struct snd_kcontrol_new lola_src_gain_mixer = {
720	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
721	.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
722		   SNDRV_CTL_ELEM_ACCESS_TLV_READ),
723	.info = lola_src_gain_info,
724	.get = lola_src_gain_get,
725	.put = lola_src_gain_put,
726	.tlv.p = lola_src_gain_tlv,
727};
728
729static int create_src_gain_mixer(struct lola *chip,
730				 int num, int ofs, char *name)
731{
732	lola_src_gain_mixer.name = name;
733	lola_src_gain_mixer.private_value = ofs + (num << 8);
734	return snd_ctl_add(chip->card,
735			   snd_ctl_new1(&lola_src_gain_mixer, chip));
736}
737
738#if 0 /* not used */
739/*
740 * destination gain (matrix-like) mixer
741 */
742static int lola_dest_gain_info(struct snd_kcontrol *kcontrol,
743			       struct snd_ctl_elem_info *uinfo)
744{
745	unsigned int src_num = (kcontrol->private_value >> 8) & 0xff;
746
747	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
748	uinfo->count = src_num;
749	uinfo->value.integer.min = 0;
750	uinfo->value.integer.max = 433;
751	return 0;
752}
753
754static int lola_dest_gain_get(struct snd_kcontrol *kcontrol,
755			      struct snd_ctl_elem_value *ucontrol)
756{
757	struct lola *chip = snd_kcontrol_chip(kcontrol);
758	unsigned int src_ofs = kcontrol->private_value & 0xff;
759	unsigned int src_num = (kcontrol->private_value >> 8) & 0xff;
760	unsigned int dst_ofs = (kcontrol->private_value >> 16) & 0xff;
761	unsigned int dst, mask, i;
762
763	dst = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id) + dst_ofs;
764	mask = readl(&chip->mixer.array->dest_mix_gain_enable[dst]);
765	for (i = 0; i < src_num; i++) {
766		unsigned int src = src_ofs + i;
767		unsigned short val;
768		if (!(chip->mixer.src_mask & (1 << src)))
769			return -EINVAL;
770		if (mask & (1 << dst))
771			val = readw(&chip->mixer.array->dest_mix_gain[dst][src]) + 1;
772		else
773			val = 0;
774		ucontrol->value.integer.value[i] = val;
775	}
776	return 0;
777}
778
779static int lola_dest_gain_put(struct snd_kcontrol *kcontrol,
780			      struct snd_ctl_elem_value *ucontrol)
781{
782	struct lola *chip = snd_kcontrol_chip(kcontrol);
783	unsigned int src_ofs = kcontrol->private_value & 0xff;
784	unsigned int src_num = (kcontrol->private_value >> 8) & 0xff;
785	unsigned int dst_ofs = (kcontrol->private_value >> 16) & 0xff;
786	unsigned int dst, mask;
787	unsigned short gains[MAX_STREAM_COUNT];
788	int i, num;
789
790	mask = 0;
791	num = 0;
792	for (i = 0; i < src_num; i++) {
793		unsigned short val = ucontrol->value.integer.value[i];
794		if (val) {
795			gains[num++] = val - 1;
796			mask |= 1 << i;
797		}
798	}
799	mask <<= src_ofs;
800	dst = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id) + dst_ofs;
801	return lola_mixer_set_dest_gains(chip, dst, mask, gains);
802}
803
804static const DECLARE_TLV_DB_SCALE(lola_dest_gain_tlv, -8425, 25, 1);
805
806static struct snd_kcontrol_new lola_dest_gain_mixer = {
807	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
808	.access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
809		   SNDRV_CTL_ELEM_ACCESS_TLV_READ),
810	.info = lola_dest_gain_info,
811	.get = lola_dest_gain_get,
812	.put = lola_dest_gain_put,
813	.tlv.p = lola_dest_gain_tlv,
814};
815
816static int create_dest_gain_mixer(struct lola *chip,
817				  int src_num, int src_ofs,
818				  int num, int ofs, char *name)
819{
820	lola_dest_gain_mixer.count = num;
821	lola_dest_gain_mixer.name = name;
822	lola_dest_gain_mixer.private_value =
823		src_ofs + (src_num << 8) + (ofs << 16) + (num << 24);
824	return snd_ctl_add(chip->card,
825			  snd_ctl_new1(&lola_dest_gain_mixer, chip));
826}
827#endif /* not used */
828
829/*
830 */
831int lola_create_mixer(struct lola *chip)
832{
833	int err;
834
835	err = create_analog_mixer(chip, PLAY, "Analog Playback Volume");
836	if (err < 0)
837		return err;
838	err = create_analog_mixer(chip, CAPT, "Analog Capture Volume");
839	if (err < 0)
840		return err;
841	err = create_input_src_mixer(chip);
842	if (err < 0)
843		return err;
844	err = create_src_gain_mixer(chip, chip->mixer.src_phys_ins, 0,
845				    "Digital Capture Volume");
846	if (err < 0)
847		return err;
848	err = create_src_gain_mixer(chip, chip->mixer.src_stream_outs,
849				    chip->mixer.src_stream_out_ofs,
850				    "Digital Playback Volume");
851	if (err < 0)
852		return err;
853#if 0
854/* FIXME: buggy mixer matrix handling */
855	err = create_dest_gain_mixer(chip,
856				     chip->mixer.src_phys_ins, 0,
857				     chip->mixer.dest_stream_ins, 0,
858				     "Line Capture Volume");
859	if (err < 0)
860		return err;
861	err = create_dest_gain_mixer(chip,
862				     chip->mixer.src_stream_outs,
863				     chip->mixer.src_stream_out_ofs,
864				     chip->mixer.dest_stream_ins, 0,
865				     "Stream-Loopback Capture Volume");
866	if (err < 0)
867		return err;
868	err = create_dest_gain_mixer(chip,
869				     chip->mixer.src_phys_ins, 0,
870				     chip->mixer.dest_phys_outs,
871				     chip->mixer.dest_phys_out_ofs,
872				     "Line-Loopback Playback Volume");
873	if (err < 0)
874		return err;
875	err = create_dest_gain_mixer(chip,
876				     chip->mixer.src_stream_outs,
877				     chip->mixer.src_stream_out_ofs,
878				     chip->mixer.dest_phys_outs,
879				     chip->mixer.dest_phys_out_ofs,
880				     "Stream Playback Volume");
881	if (err < 0)
882		return err;
883#endif /* FIXME */
884	return init_mixer_values(chip);
885}
886